Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"luan chap dat snippets" » "luan chat dat snippets", "luan chi dat snippets", "luan phan dat snippets", "luan phap day snippets", "luan cai dat snippets", "luan lap dat snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("luan chap dat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan chap dat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan chap dat snippets"))) or ("locating bug core snippets"))*.